Manually upgrading AMZ Linuz requires /boot/grub/menu.lst to be manually updated ~Le Sigh

seems-legit.sh

#!/bin/bash

## Run our update
yum update -y                 \
  --disablerepo='*'           \
  --enablerepo='amzn-updates' \
  --exclude='docker'

## Cleanup old kernel versions
package-cleanup --count=2 --oldkernels

INSERT="title $(grep title /etc/grub.conf |head -1 | cut -d' ' -f2-)
root (hd0,0)
kernel $(grep  kernel /etc/grub.conf |head -1 |awk '{print$2}') $(grep kernel /boot/grub/menu.lst |head -1 |cut -d' ' -f3-)
initrd $(grep initrd /etc/grub.conf |head -1 |awk '{print$2}') $(grep initrd /boot/grub/menu.lst |head -1 |cut -d' ' -f3-)
"

## Insert as `first in line` for kernel
awk -v insert="${INSERT}" -v before=title '
  $1 == before && ! inserted {
    print insert
    inserted++
  }
  {print}
' /boot/grub/menu.lst > /boot/grub/menu.lst-backup

## Compare for static backup
diff /boot/grub/menu.lst     \
     /boot/grub/menu.lst-backup

## Overwrite the sucka
mv /boot/grub/menu.lst-backup \
   /boot/grub/menu.lst
   
## #yolo
shutdown -r now